CN208396458U

CN208396458U - Anti- cat eye device, door lock and the door with the door lock

Info

Publication number: CN208396458U
Application number: CN201820458893.8U
Authority: CN
Inventors: 闵浩; 朱昱旻; 钱考锦
Original assignee: East Of Nanjing Electric Applicance Co Ltd
Current assignee: Dongwu Shian Iot Technology Jiangsu Co ltd
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2019-01-18
Anticipated expiration: 2028-03-30

Abstract

The utility model relates to a kind of anti-cat eye device, door lock and with the door of the door lock, anti-cat eye device includes knob, transmission mechanism comprising with the retainer of the input axis connection of the knob and the cam being set on the retainer；Clutch, it includes clutch yoke, clutch pin assemblies and clutch component, the clutch pin assemblies include on-of pin and the first elastic component for being set on the on-of pin, are equipped with the fitting that can be offseted with the cam in the clutch yoke far from the on-of pin end.Above-mentioned anti-cat eye device can not only increase the concealment of anti-opal knob by increasing individually designed knob, transmission mechanism and clutch, the anti-theft of anti-cat eye device can also be increased, improve door lock safety, overall construction design is simple, facilitate operation, strong applicability.

Description

Anti- cat eye device, door lock and the door with the door lock

Technical field

The utility model relates to locking device technical fields, more particularly to anti-cat eye device, door lock and with the door lock Door.

Background technique

Current security door is all provided with opal, and some criminals are by destroying opal and by opal hole and using special Interior is protruded into tool and lifts or press handle to realize opening door lock, and then enters the room theft.

It is traditional to lock button by increasing and prevent opal from stealing, but usually door after locking Yi Dan will lead to outdoors It fail to open, brings inconvenience to using.The prior art, it is generally anti-to realize by increasing anti-opal button on Internal handle Opal function carries out indoor openings while so need to be by pressing anti-opal button, causes indoor openings cumbersome, and is arranged More buttons also influence the beauty of door lock.In addition, anti-opal button is directly exposed on Internal handle, anti-opal ability is limited, no Method molecule is easy to find out loophole still with opening door lock and theft of geting started；Furthermore existing anti-opal push button function is single, can not Meets the needs of different application scene.

Utility model content

Based on this, it is necessary to for the above at least one technical problem, provide a kind of anti-cat eye device, door lock and have should The door of door lock.

A kind of anti-cat eye device, the anti-cat eye device include:

Knob；

Transmission mechanism comprising with the retainer of the input axis connection of the knob and be set on the retainer Cam；

Clutch comprising clutch yoke, clutch pin assemblies and clutch component, the clutch pin assemblies include on-of pin With the first elastic component being set on the on-of pin, in the clutch yoke far from the on-of pin end be equipped with can with it is described The fitting that cam offsets；

The clutch yoke has first position and the second position, can in one end of first position, the clutch yoke The on-of pin is pushed into the clutch slot being inserted into the clutch component, so that the clutch component is in the state closed；Institute State cam the retainer followed to turn to and be connected on the fitting, so drive the clutch yoke towards far from it is described from Dowel pin direction moves to the second position, and the on-of pin is detached from the clutch slot under the action of the first elastic component, so that described Clutch component be in from state.

Above-mentioned anti-cat eye device is followed by increasing individually designed knob, transmission mechanism and clutch by cam Knob can simultaneously offset with clutch yoke, and then push clutch yoke, reduce to on-of pin power, on-of pin is detached from clutch slot So that clutch component is in from state, anti-opal function is realized.The concealment that anti-opal knob can not only be increased, can also increase Add the anti-theft of anti-cat eye device, improves door lock safety, overall construction design is simple, facilitates operation, strong applicability.

The transmission mechanism further includes first gear in one of the embodiments, the first gear and the cam It is laminated and is arranged in a staggered manner on the retainer.

The anti-cat eye device further includes fixing seat and the limit that is set in the fixing seat in one of the embodiments, Bit slice, the retainer are equipped with the first positive stop lug boss, the limit film be equipped with to constrain first positive stop lug boss the One retention bead, and then constrain the rotation angle of the retainer.

The utility model also provides a kind of door lock, including inner panel, and the inner panel includes:

Shell；

Internal handle is set to hull outside, is connect with lock body to realize and open the door,

Anti- cat eye device is set in the shell and connect with the Internal handle；

Wherein, the anti-cat eye device includes:

Knob is set to hull outside；

Clutch comprising clutch yoke, clutch pin assemblies and the clutch component being connect with the Internal handle, it is described from Dowel pin component includes on-of pin and the first elastic component for being set on the on-of pin, far from the clutch in the clutch yoke Pin end is equipped with the fitting that can be offseted with the cam；

Above-mentioned door lock follows knob to turn by increasing individually designed knob, transmission mechanism and clutch by cam It moves and can offset with clutch yoke, and then push clutch yoke, reduce to on-of pin power, on-of pin is detached from clutch slot to make It obtains clutch component to be in from state, realizes anti-opal function.The concealment that anti-opal knob can not only be increased, can also increase anti-cat The anti-theft of eye device improves door lock safety, and overall construction design is simple, facilitates operation, strong applicability.

The door lock further includes outer panels and/or lock body in one of the embodiments,.

The transmission mechanism further includes first gear in one of the embodiments, the first gear and the cam It is laminated and is arranged in a staggered manner on the retainer, the door lock further includes and locks the first lock transmission mechanism of tongue connection, described First lock transmission mechanism is at least partly engaged with the first gear.

The first lock transmission mechanism includes the second tooth being meshed with the first gear in one of the embodiments, Power is transmitted to institute by the second gear by wheel and the third gear to link with the second gear, the first gear Third gear is stated, so that tongue is locked in control realizes locking or unlock.

The first lock transmission mechanism further includes link mechanism in one of the embodiments, and the two of the link mechanism End is connect with the second gear and the third gear respectively, for the power of the second gear to be transferred to the third Gear.

Described first locks the 4th gear that transmission mechanism further includes and locks tongue connection, institute in one of the embodiments, The 4th gear and the mutual internal messing of third gear are stated, by the way that the power of the third gear is transferred to the 4th gear With rotation, gear grooved is offered on the third gear, the gear grooved is used to limit the motion range of the 4th gear.

The number of teeth of the first gear is the half of the number of teeth of the second gear in one of the embodiments, described The number of teeth of third gear is the number of teeth of twice of the 4th gear.

The second gear is intermittent gear structure in one of the embodiments, and the gear grooved is arc gain, institute The rotational angle for stating second gear is not less than the arc angle of the gear grooved.

The limit film is ring structure and can be set on the retainer in one of the embodiments, described First retention bead is arranged on the inner ring of the limit film, and first positive stop lug boss and the cam be not in same plane On.

The outer ring of the limit film at least offers the first slot and the second slot, the fixation in one of the embodiments, Seat is equipped with the second locating part and third locating part for being respectively used to limit first slot and second slot；Or

The outer ring of the limit film offers the first slot, the second slot and third slot, and first slot is arc groove, the arc Shape slot has the first limit point and the second limit point, and the fixing seat is equipped with the second limit for limiting first slot Part, the fixing seat are equipped with the elastic spacing one for limiting second slot or third slot, and the limit film passes through the elasticity Locating part is removably mounted in the fixing seat.

In one of the embodiments, first limit point and second slot respectively with second limit point and institute Third slot is stated to be symmetrical arranged.

The fitting includes bearing or pulley in one of the embodiments,；The clutch component includes the first clutch Part and the second clutch part, the on-of pin is by being inserted into or being detached from clutch slot, to realize first clutch part and described second The linkage or disengagement of clutch part；

The shell includes bottom case and the mask that is detachably connected with the bottom case, and the bottom case and the mask constitute one A accommodating chamber.

The utility model also provides a kind of door, the door lock including any description above.

Detailed description of the invention

Fig. 1 is the door latch structure schematic diagram of the utility model；

Fig. 2 is the partial structure diagram of the first mode of the inner panel of the utility model；

Fig. 3 is the structural schematic diagram in a direction of the transmission mechanism of the utility model；

Fig. 4 is the structural schematic diagram in another direction of the transmission mechanism of the utility model；

Fig. 5 is the structural schematic diagram of the clutch yoke of the utility model；

Fig. 6 is the structural schematic diagram of the limit film of the utility model；

Fig. 7 is the structural schematic diagram of the third gear of the utility model；

Fig. 8 is the partial structure diagram of the second mode of the inner panel of the utility model；

Fig. 9 is the partial structure diagram of the third mode of the inner panel of the utility model；

Figure 10 a-10c is the structural representation of the transmission mechanism of Three models of the door lock of the utility model after handle commutation Schematic diagram.

Appended drawing reference:

1, inner panel, 2, lock body, 3, outer panels；

110, Internal handle, 120, knob, 130, transmission mechanism, 131, retainer, 132, cam, 133, first gear, 134, the first positive stop lug boss, 135, position innervation face；

140, clutch, 141, clutch yoke, 1411, fitting, 1412, limiting slot, 1413, opening, 142, clutch Pin, the 143, first elastic component, 144, castle wheel, 145, driving wheel, 146, shift fork limited post, the 147, second elastic component；

150, limit film, the 151, first retention bead, the 152, first slot, the 153, second slot, 154, third slot；

160, elastic spacing one, the 170, second locating part, 181, second gear, 182, third gear, 1821, gear grooved, 183, the 4th gear, 184, first connecting rod, 185, circlip, 186, connecting rod column, 187, connecting rod location hole.

Specific embodiment

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific embodiment opened.

It should be noted that be referred to as " being fixed on " another part when part, it can directly on another part or There may be parts placed in the middle.When a part is considered as " connection " another part, it can be directly to another part or Person may be simultaneously present part placed in the middle.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.

With reference to the accompanying drawing, illustrate the better embodiment of the utility model.

As illustrated in fig. 1 and 2, a kind of door lock, including inner panel 1, lock body 2 and outer panels 3.Inner panel 1 includes shell, interior Handle 110 and anti-cat eye device.Internal handle 110 is set to hull outside, is connect with lock body 2 to realize and open the door.Anti- cat eye device It is set in shell and is connect with Internal handle 110, to realize anti-opal function.

Anti- cat eye device includes knob 120, transmission mechanism 130 and clutch 140.

Knob 120 is set to hull outside, can be shift knob, can be equipped with the mark such as arrow, shell on knob of shifting gears It is equipped with the pattern of corresponding different mode, position indicated by arrow is adjusted by rotating the shift knob, and then according to institute Selection mode realizes different functions.Such as anti-opal function or unlocking function or locking function.

As shown in Figures 3 and 4, transmission mechanism 130 includes and the retainer 131 of the input axis connection of knob 120 and setting In the cam 132 on retainer 131.131 one end of retainer is connect by square shaft with knob 120, and the other end can be passed through and be fixed The through-hole of seat (not shown), retainer 131 can follow knob 120 to rotate, and then drive 132 turns of cam on retainer 131 It is dynamic.In one embodiment, cam 132 can be fixedly mounted or be removably mounted on retainer 131.Cam 132 and retainer 131 can be high molecular material, and the two can be integrally formed.Certainly it can also be both other materials, can distinguish after machine-shaping again Assembling.

Clutch 140 includes clutch yoke 141, clutch pin assemblies and the clutch component connecting with Internal handle 110.Clutch Pin assemblies include on-of pin 142 and the first elastic component 143 for being set on on-of pin 142, far from on-of pin in clutch yoke 141 142 ends are equipped with the fitting 1411 that can be offseted with cam 132, are equipped with the clutch slot being inserted into for on-of pin 142 in clutch component.

Clutch yoke 141 has first position and the second position, and in first position, one end of clutch yoke 141 can be pushed away Press on-of pin 142 in the clutch slot into insertion clutch component, so that clutch component is in the state closed.Cam 132 follows biography Dynamic seat, which turns to, to be connected on fitting 1411, and then clutch yoke 141 is driven to move to the towards far from 142 direction of on-of pin Two positions, on-of pin 142 are detached from clutch slot under the action of the first elastic component 143 so that clutch component be in from state.

In one embodiment, as shown in figure 5, close clutch component end is arcuate structure, the arc in clutch yoke 141 Structure can match clutch component, so that the end of clutch yoke 141 can offset with clutch component；It is separate in clutch yoke 141 Clutch component end is connect with the second elastic component 147.Fitting 1411 is arranged in clutch yoke 141 on separate clutch component end, Fitting 1411 should be rigid material, can push and pull clutch yoke 141 to the in the promotion lower stress of the protrusion of cam 132 Two positions.Preferably, fitting 1411 is rigidity rotation part, may be, for example, bearing or pulley, in the present embodiment, fitting 1411 be bearing.The protrusion of such cam 132 rotates and applies a power to fitting 1411, and rigidity rotation part is in the power The lower rotation of effect, and friction is rolling friction between cam 132 can so reduce connecing to cam 132 and fitting 1411 The abrasion of contact portion improves the service life of door lock.

The opening 1413 that partially passes through for retainer 131 is equipped in clutch yoke 141,1413 inner wall of being open is equipped with and biography The dynamic matched interior positioning surface of seat 131.Clutch 140 further includes the shift fork limited post 146 of fixed setting, in clutch yoke 141 It is equipped with the limiting slot 1412 for accommodating shift fork limited post 146, limiting slot 1412 is equipped with first in 142 direction of motion of on-of pin Shift fork limit point and the second shift fork limit point.When clutch yoke 141 moves, limiting slot 1412 is relative to shift fork limited post 146 Movement, after shift fork limited post 146 reaches the first shift fork limit point and the second shift fork limit point in limiting slot 1412, clutch yoke 141 stop continuing to move, and clutch yoke at this time 141 can be respectively corresponded in first position and the second position.

In one embodiment, the first elastic component 143 can be pressure spring, under the action of the elastic force of pressure spring, dial in clutch When the pushing active force of fork 141 becomes smaller, on-of pin 142 pops up outward, realizes and is detached from clutch slot.Equally, the second elastic component 147 It can be pressure spring, one end of the second elastic component 147 is fixed, and the other end is connect with clutch yoke 141.When clutch yoke 141 is not by convex Wheel 132 abuts, and under the active force of second elastic component 147, can be realized the reset of clutch yoke 141.

Clutch component includes the first clutch part and the second clutch part, and on-of pin 142 is by being inserted into or being detached from clutch slot, with reality The linkage or disengagement of existing first clutch part and the second clutch part.In the present embodiment, as shown in Fig. 2, the first clutch part be from Wheel 144 is closed, the second clutch part is the driving wheel 145 nested with castle wheel 144.Driving wheel 145 can be incomplete mechanism gear mechanism.From The input axis connection of wheel 144 with Internal handle 110 is closed, driving wheel 145 is engaged with 2 driving wheel of lock body (not shown).

When on-of pin 142 is inserted into clutch slot, clutch component is in the state closed, at this time castle wheel 144 and driving wheel 145 Linkage, when rotating Internal handle 110, castle wheel 144 rotates under the action of Internal handle 110, and then driving wheel 145 is driven to rotate, And then the rotation of 2 driving wheel of lock body is driven, to realize that unlock is opened the door.When manual adjustment knob 120, and then drive retainer 131 Rotation, cam 132 are followed by the rotation of retainer 131, and cam 132 is connected on fitting 1411, and fitting 1411 pushes clutch Shift fork 141 moves down, and releases constraint of the clutch yoke 141 to on-of pin 142, on-of pin 142 is under the action of the first elastic component 143 Towards be detached from clutch slot direction move so that clutch component be in from state, castle wheel 144 does not join with driving wheel 145 at this time Dynamic, driving wheel 145 cannot follow castle wheel 144 to rotate, when rotating Internal handle 110, effect of the castle wheel 144 in Internal handle 110 Lower idle running, can not unlock enabling, to realize anti-opal function.

With continued reference to Fig. 3 and 4, transmission mechanism 130 further includes first gear 133, and first gear 133 and cam 132 are laminated And it is arranged in a staggered manner on retainer 131.Cam 132, retainer 131 and first gear 133 can be high molecular material, San Zheke It is integrally formed.Certain three can also be other materials, assemble again after can distinguishing machine-shaping.

Door lock further includes and locks the first lock transmission mechanism 130 of tongue connection, and the first lock transmission mechanism 130 includes and first The second gear 181 and the third gear 182 to link with second gear 181, first gear 133 that gear 133 is meshed will be moved Power is transmitted to third gear 182 by second gear 181, so that tongue is locked in control realizes locking or unlock.

In this way, by increasing first gear 133 on retainer 131, first gear 133 can be realized anti-by gear drive Lock, so that anti-cat eye device not only has anti-opal function, but also has both back locking function, can not only increase anti-opal knob 120 Concealment, and provide multi-ensuring to improve anti-theft, furthermore by multi-functional set on a knob 120, client Ke Gen According to needing to carry out mode tuning, design is more simple and beautiful, strong applicability.

In one embodiment, as shown in figs. 2 and 7, the first lock transmission mechanism 130 further includes 184 mechanism of connecting rod, connecting rod The both ends of 184 mechanisms are connect with second gear 181 and third gear 182 respectively, for the power of second gear 181 to be transferred to Third gear 182.In the present embodiment, link mechanism includes first connecting rod 184 and is arranged at 184 both ends of first connecting rod Connecting rod column 186.Second gear 181 and third gear 182 are equipped with 184 location hole of first connecting rod passed through for connecting rod column 186, Connecting rod column 186 is fixedly connected by circlip 185 with second gear 181 and third gear 182 respectively.By increasing link mechanism, It can will lock tongue to be placed on door lock far from 120 end of knob, so that knob 120 and locking tongue not on the same axis, prevent sudden and violent Power picking lock increases anti-theft.

In one embodiment, first lock transmission mechanism 130 further include and lock tongue connection the 4th gear 183, the 4th Gear 183 and the mutual internal messing of third gear 182, by the way that the power of third gear 182 is transferred to the 4th gear 183 to turn It is dynamic, gear grooved 1821 is offered on third gear 182, gear grooved 1821 is used to limit the motion range of the 4th gear 183.

In one embodiment, second gear 181 is intermittent gear structure, and gear grooved 1821 is arc gain, the second tooth The rotational angle of wheel 181 is not less than the arc angle of gear grooved 1821.Since the movement travel for locking tongue is limited, pass through control The rotational angle of second gear 181 processed and the arc angle of gear grooved 1821, and then the rotational travel of the 4th gear 183 is controlled, To which the movement travel of tongue is locked in control.

In one embodiment, the number of teeth of first gear 133 is the half of the number of teeth of second gear 181, third gear 182 The number of teeth be twice the 4th gear 183 the number of teeth.By the design of this number of gear teeth, it can be achieved that good gear drive and Stroke control.

In one embodiment, anti-cat eye device further includes fixing seat and the limit film 150 that is set in fixing seat, is passed Dynamic seat 131 is equipped with the first positive stop lug boss 134, and limit film 150 is equipped with the first limit convex to constrain the first positive stop lug boss 134 151 are played, and then constrains the rotation angle of retainer 131.

In one embodiment, limit film 150 is ring structure and can be set on retainer 131, the first limit convex It rises and 151 is arranged on the inner ring of limit film 150, the first positive stop lug boss 134 and cam 132 are not in the same plane.First limit Boss 134 and cam 132, first gear 133 are laminated and are arranged in a staggered manner on retainer 131.Cam 132, retainer 131, first Gear 133 and the first positive stop lug boss 134 can be high molecular material, and four can be integrally formed.Certain four can also be other materials Material, assembles again after can distinguishing machine-shaping.

In one embodiment, as shown in fig. 6, the outer ring of limit film 150 offers the first slot 152, the second slot 153 and Three slots 154.First slot 152 is arc groove, and arc groove has the first limit point and the second limit point, and fixing seat is equipped with for limiting Second locating part 170 of the first slot 152 of position, fixing seat are equipped with the elastic spacing one for limiting the second slot 153 or third slot 154 160, limit film 150 is removably mounted in fixing seat by elastic spacing one 160.Elastic spacing one 160 is positioning hoodle, Second slot 153 and third slot 154 can be the point slot of the matching positioning hoodle.Preferably, limit film 150 is symmetrical limit film 150, the first limit point and the second slot 153 are symmetrical arranged with the second limit point and third slot 154 respectively at this time.At this point, the first slot 152 and first retention bead 151 can facilitate installation in the same side.

It, so can be according to the unlocking direction of door due to increasing the slot in 1413 directions of multiple and different openings in limit film 150 The position of limit film 150 is adjusted, so that bi-directional door can be realized, increases the applicability of door lock.It is opened or right when door lock is in a left side When opening, the second locating part 170 in fixing seat can correspond to the first limit point or the second limit point, and elastic spacing one 160 can correspond to Second slot 153 or third slot 154, since the position of 150 the first retention bead 151 of inside of limit film is fixed, limit film 150 It is disassembled from fixing seat by elastic spacing one 160, by adjusting behind the position of limit film 150 and fixed, to change The position of first retention bead 151, and then can realize the switching of bi-directional door.

Certainly, in another embodiment, in order to simplify and be customized according to door lock direction, limit film 150 can only realize list To enabling, the outer ring of limit film 150 at least offers the first slot 152 and the second slot 153, and fixing seat is equipped with and is respectively used to limit The second locating part 170 and third locating part of first slot 152 and the second slot 153.

In one embodiment, in order to which the rotation shift for increasing knob 120 is felt, position innervation can be increased on retainer 131 Face 135, position innervation face 135 are arranged close to 120 end of knob.

In one embodiment, shell includes bottom case and the mask that is detachably connected with bottom case, bottom case and the mask structure At an accommodating chamber.Due to mask can Simple detachable, mask can design different colours and pattern, and such client can according to demand more The mask for changing different colours and pattern increases the aesthetics and experience sense of door lock.

It should be noted that the structure and its connection relationship of outer panels 3 and lock body 2 in door lock can be the routine of this field Design, details are not described herein.

The various modes of door lock are discussed in detail with reference to the accompanying drawing:

As shown in Fig. 2, cam 132 is in original state, clutch component is in the state closed at this time, can pass through handle in rotating Hand 110, which is realized, to open the door, at this point, the knob 120 on rear panel is in first mode, i.e. unlocked state.When rotation knob counterclockwise 120, as shown in figure 8, retainer 131 follows Internal handle 110 to rotate, and then drives first gear 133 to rotate counterclockwise, the first tooth 133 drive second gear 181 of wheel reversely rotates clockwise, and then drives 184 mechanism kinematic of connecting rod, to drive third gear 182 clockwise movements, third gear 182 drive the 4th gear 183 reversely to rotate counterclockwise, and then drive and lock tongue movement, Realization is locked, at this point, the knob 120 on rear panel is in second mode, that is, locks state.Continue rotation knob 120 counterclockwise, As shown in figure 9, retainer 131 follows Internal handle 110 to rotate, and then rotated counterclockwise with moving cam 132, cam 132 moves to It is abutted with fitting 1411, pushes clutch yoke 141, clutch yoke 141 reduces the restraining force to on-of pin 142, on-of pin 142 Be detached from clutch slot under the action of the first elastic component 143, at this time clutch component be in from state, Internal handle 110 fail, at this time The idle running of Internal handle 110 cannot achieve enabling, at this point, the knob 120 on rear panel is in the third mode, i.e., anti-opal state.

If desired it is commutated according to door opening direction, then first position is removed and adjusted to limit film 150, and then adjust knob 120 direction then rotates clockwise knob 120, shown, it can be achieved that being similar to above-mentioned rotation counterclockwise as shown in Figure 10 a-10c Rotate the various states of button 120.

The utility model also provides a kind of door, the anti-cat eye device including any description above, or including any of the above institute The door lock stated.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims

1. an anti-cat's eye device, is characterized in that, described anti-cat's eye device comprises:

knob;

a transmission mechanism, which includes a transmission seat connected with the input shaft of the knob and a cam arranged on the transmission seat;

A clutch mechanism includes a clutch fork, a clutch pin assembly and a clutch assembly, the clutch pin assembly includes a clutch pin and a first elastic member arranged on the clutch pin, the clutch fork is away from the end of the clutch pin an abutment piece capable of abutting against the cam is provided;

The clutch fork has a first position and a second position. In the first position, one end of the clutch fork can push the clutch pin into the clutch groove inserted into the clutch assembly, so that the clutch assembly is in the engaged state; the cam rotates following the transmission base to abut on the abutting member, thereby driving the clutch fork to move to the second position in the direction away from the clutch pin, and the clutch pin is at the second position. Under the action of the first elastic member, the clutch groove is disengaged, so that the clutch assembly is in a disengaged state.

2 . The anti-cat-eye device according to claim 1 , wherein the transmission mechanism further comprises a first gear, and the first gear and the cam are stacked and arranged on the transmission base in a staggered manner. 3 .

3 . The anti-cat-eye device according to claim 2 , wherein the anti-cat-eye device further comprises a fixed seat and a limit piece arranged on the fixed seat, and a first limit is provided on the transmission seat. 4 . A boss, the limiting piece is provided with a first limiting protrusion for constraining the first limiting boss, thereby constraining the rotation angle of the transmission seat.

4. A door lock, comprising an inner panel, wherein the inner panel comprises:

case;

The inner handle is arranged on the outer side of the shell and is connected with the lock body to realize the door opening,

an anti-cat's eye device, arranged in the casing and connected with the inner handle;

Wherein, the anti-cat's eye device includes:

The knob is arranged on the outside of the casing;

A clutch mechanism includes a clutch fork, a clutch pin assembly and a clutch assembly connected to the inner handle, the clutch pin assembly includes a clutch pin and a first elastic member arranged on the clutch pin, the clutch fork An abutting member capable of abutting against the cam is provided on the upper end away from the clutch pin;

5 . The door lock according to claim 4 , wherein the transmission mechanism further comprises a first gear, the first gear and the cam are stacked and arranged on the transmission seat in a staggered manner, and the door lock It also includes a first lock transmission mechanism connected to the anti-lock tongue, the first lock transmission mechanism at least partially meshing with the first gear.

6. The door lock according to claim 5, wherein the first lock transmission mechanism comprises a second gear meshed with the first gear and a third gear linked with the second gear, so The first gear transmits power to the third gear through the second gear, so as to control the anti-lock tongue to achieve locking or unlocking.

7 . The door lock according to claim 6 , wherein the first lock transmission mechanism further comprises a link mechanism, and two ends of the link mechanism are respectively connected with the second gear and the third gear. 8 . is connected for transmitting the power of the second gear to the third gear.

8 . The door lock according to claim 6 , wherein the first lock transmission mechanism further comprises a fourth gear connected with the anti-lock tongue, the fourth gear and the third gear are in internal meshing with each other, and through the The power of the third gear is transmitted to the fourth gear for rotation. The third gear is provided with a gear groove, and the gear groove is used to limit the movement range of the fourth gear.

9 . The door lock according to claim 8 , wherein the second gear is an intermittent gear structure, the gear groove is an arc-shaped waist groove, and the rotation angle of the second gear is not less than the gear groove. 10 . arc angle.

10 . The door lock according to claim 5 , wherein the anti-cat-eye device further comprises a fixing seat and a limiting piece arranged on the fixing seat, and a first limiting protrusion is provided on the transmission seat. 11 . The limiting piece is provided with a first limiting protrusion for constraining the first limiting boss, thereby constraining the rotation angle of the transmission seat.

11 . The door lock according to claim 10 , wherein the limiting piece is an annular structure and can be sleeved on the transmission base, and the first limiting protrusion is disposed on the limiting piece 11 . On the inner ring of the cam, the first limiting boss and the cam are not on the same plane.

12 . The door lock according to claim 11 , wherein at least a first groove and a second groove are formed on the outer ring of the limiting piece, and the fixing seat is provided with a first groove and a second groove respectively for limiting the position of the first groove. 13 . a slot and a second stopper and a third stopper of the second slot; or

The outer ring of the limiting piece is provided with a first slot, a second slot and a third slot, the first slot is an arc-shaped slot, and the arc-shaped slot has a first limit point and a second limit point, The fixing seat is provided with a second limiting member for limiting the first groove, the fixing seat is provided with an elastic limiting member defining the second groove or the third groove, the limiting piece The elastic stopper is detachably mounted on the fixing base.

13. The door lock according to any one of claims 4-12, wherein the door lock further comprises an outer panel and/or a lock body.

14. The door lock according to any one of claims 4-12, wherein the abutting member comprises a bearing or a pulley; the clutch assembly comprises a first clutch member and a second clutch member, and the clutch pin passes through Inserting or disengaging the clutch groove to realize the linkage or disengagement of the first clutch member and the second clutch member;

The housing includes a bottom case and a face cover detachably connected to the bottom case, and the bottom case and the face cover form a accommodating cavity.

15. A door, characterized in that it comprises the door lock of any one of claims 4-14.